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Scientific, fraction, percentage, and statistics
Advanced scientific calculator with trigonometric functions
Add, subtract, multiply, and divide fractions
Calculate percentages, increases, and decreases
Calculate standard deviation and variance
Solve triangles using sides and angles
Calculate volume of various shapes
Generate random numbers within a specified range
Find patterns in number sequences
Calculate percentage error
Calculate powers and exponents
Convert between binary and decimal
Convert between hexadecimal and decimal
Calculate radioactive half-life
Solve quadratic equations
Calculate slope of a line
Calculate logarithms
Calculate area of various shapes
Calculate sample size for surveys
Calculate probability of events
Calculate mean, median, mode, and range
Calculate statistical measures
Calculate permutations and combinations
Calculate Z-score and percentile
Calculate confidence intervals
Calculate ratios and proportions
Calculate distance between points
Calculate circle properties
Calculate surface area of 3D shapes
Calculate sides of right triangles
Solve right triangles
Calculate square roots and nth roots
Calculate least common multiple
Calculate greatest common factor
Find factors of a number
Round numbers to specified decimal places
Perform matrix operations
Convert between scientific notation and standard form
Calculate with very large numbers
Find prime factors of a number
Find common factors of numbers
Simple arithmetic calculator
Perform long division
Calculate average of numbers
Calculate p-value from test statistic
To find a percentage, divide the part by the whole and multiply by 100. For example, 50 out of 200 is (50 ÷ 200) × 100 = 25%. Use the Percentage Calculator for instant results.
Standard deviation measures how spread out numbers are. Find the mean, subtract it from each value, square the results, average them, then take the square root. Use the Standard Deviation Calculator for quick, accurate results.
Use the quadratic formula x = (-b ± √(b² - 4ac)) / 2a. Enter your coefficients a, b, and c into the Quadratic Formula Calculator and it will solve the equation with both real and complex roots.
Permutations count arrangements where order matters, while combinations count selections where order does not matter. Use the Permutation and Combination Calculator to compute both.